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S82121 Stainless Steel vs. EN 1.8507 Steel

Both S82121 stainless steel and EN 1.8507 steel are iron alloys. They have 73% of their average alloy composition in common. There are 31 material properties with values for both materials. Properties with values for just one material (4, in this case) are not shown.

For each property being compared, the top bar is S82121 stainless steel and the bottom bar is EN 1.8507 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 250
270
Elastic (Young's, Tensile) Modulus, GPa 200
190
Elongation at Break, % 28
16
Fatigue Strength, MPa 370
440
Poisson's Ratio 0.27
0.29
Shear Modulus, GPa 78
72
Shear Strength, MPa 470
550
Tensile Strength: Ultimate (UTS), MPa 730
900
Tensile Strength: Yield (Proof), MPa 510
670

Thermal Properties

Latent Heat of Fusion, J/g 290
250
Maximum Temperature: Mechanical, °C 1020
430
Melting Completion (Liquidus), °C 1430
1450
Melting Onset (Solidus), °C 1380
1410
Specific Heat Capacity, J/kg-K 480
480
Thermal Conductivity, W/m-K 15
41
Thermal Expansion, µm/m-K 13
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.2
7.4
Electrical Conductivity: Equal Weight (Specific), % IACS 2.5
8.5

Otherwise Unclassified Properties

Base Metal Price, % relative 14
2.5
Density, g/cm3 7.7
7.8
Embodied Carbon, kg CO2/kg material 2.8
1.6
Embodied Energy, MJ/kg 40
21
Embodied Water, L/kg 150
63

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 180
130
Resilience: Unit (Modulus of Resilience), kJ/m3 660
1210
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 26
32
Strength to Weight: Bending, points 23
27
Thermal Diffusivity, mm2/s 4.0
11
Thermal Shock Resistance, points 20
26

Alloy Composition

Aluminum (Al), % 0
0.8 to 1.2
Carbon (C), % 0 to 0.035
0.3 to 0.37
Chromium (Cr), % 21 to 23
1.0 to 1.3
Copper (Cu), % 0.2 to 1.2
0
Iron (Fe), % 66.7 to 75.4
96.1 to 97.7
Manganese (Mn), % 1.0 to 2.5
0.4 to 0.7
Molybdenum (Mo), % 0.3 to 1.3
0.15 to 0.25
Nickel (Ni), % 2.0 to 4.0
0
Nitrogen (N), % 0.15 to 0.25
0
Phosphorus (P), % 0 to 0.040
0 to 0.025
Silicon (Si), % 0 to 1.0
0 to 0.4
Sulfur (S), % 0 to 0.010
0 to 0.035